ASYMMETRIC PHASE-TRANSFER ALKYLATION CATALYZED BY A CHIRAL QUATERNARYPHOSPHONIUM SALT WITH A MULTIPLE HYDROGEN-BONDING SITE

Authors
MANABE K
Citation
K. Manabe, ASYMMETRIC PHASE-TRANSFER ALKYLATION CATALYZED BY A CHIRAL QUATERNARYPHOSPHONIUM SALT WITH A MULTIPLE HYDROGEN-BONDING SITE, Tetrahedron letters, 39(32), 1998, pp. 5807-5810
Citations number
20
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
39
Issue
32
Year of publication
1998
Pages
5807 - 5810
Database
ISI
SICI code
0040-4039(1998)39:32<5807:APACBA>2.0.ZU;2-Z
Abstract
A chiral phosphonium salt has been synthesized as a novel phase-transf er catalyst, and used for asymmetric benzylation of t-butyl 2-oxocyclo pentanecarboxylate to give the corresponding product with up to 50% ee . (C) 1998 Elsevier Science Ltd. All rights reserved.